<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>flex布局-体验</title>
    <style>
    .box{
        display: flex;
        justify-content:space-between;
        
        background-color: greenyellow;
        border: 1px solid #000;

    }
    .box div{
        height: 100px;
        width: 50px;
        background-color: pink;


    }
    </style>

</head>
<body>
    <div class="box">
        <div></div>
        <div></div>
        <div></div>
    </div>
</body>
</html>